2015-12-09 20:52:18 +08:00
|
|
|
|
如何在 CentOS 6/7 上移除被 Fail2ban 禁止的 IP
|
2015-12-04 15:55:19 +08:00
|
|
|
|
================================================================================
|
|
|
|
|
|
|
|
|
|
|
|
|
2015-12-09 20:52:18 +08:00
|
|
|
|
[fail2ban][1] 是一款用于保护你的服务器免于暴力攻击的入侵保护软件。fail2ban 用 python 写成，并广泛用于很多服务器上。fail2ban 会扫描日志文件和 IP 黑名单来显示恶意软件、过多的密码失败尝试、web 服务器利用、wordpress 插件攻击和其他漏洞。如果你已经安装并使用了 fail2ban 来保护你的 web 服务器，你也许会想知道如何在 CentOS 6、CentOS 7、RHEL 6、RHEL 7 和 Oracle Linux 6/7 中找到被 fail2ban 阻止的 IP，或者你想将 ip 从 fail2ban 监狱中移除。
|
2015-12-04 15:55:19 +08:00
|
|
|
|
|
2015-12-09 20:52:18 +08:00
|
|
|
|
### 如何列出被禁止的 IP ###
|
2015-12-04 15:55:19 +08:00
|
|
|
|
|
2015-12-09 20:52:18 +08:00
|
|
|
|
要查看所有被禁止的 ip 地址，运行下面的命令：
|
2015-12-04 15:55:19 +08:00
|
|
|
|
|
|
|
|
|
|
# iptables -L
|
|
|
|
|
|
Chain INPUT (policy ACCEPT)
|
|
|
|
|
|
target prot opt source destination
|
|
|
|
|
|
f2b-AccessForbidden tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
f2b-WPLogin tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
f2b-ConnLimit tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
f2b-ReqLimit tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
f2b-NoAuthFailures tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
f2b-SSH tcp -- anywhere anywhere tcp dpt:ssh
|
|
|
|
|
|
f2b-php-url-open tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
f2b-nginx-http-auth tcp -- anywhere anywhere multiport dports http,https
|
|
|
|
|
|
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
|
|
|
|
|
|
ACCEPT icmp -- anywhere anywhere
|
|
|
|
|
|
ACCEPT all -- anywhere anywhere
|
|
|
|
|
|
ACCEPT tcp -- anywhere anywhere tcp dpt:EtherNet/IP-1
|
|
|
|
|
|
ACCEPT tcp -- anywhere anywhere tcp dpt:http
|
|
|
|
|
|
REJECT all -- anywhere anywhere reject-with icmp-host-prohibited
|
|
|
|
|
|
|
|
|
|
|
|
Chain FORWARD (policy ACCEPT)
|
|
|
|
|
|
target prot opt source destination
|
|
|
|
|
|
REJECT all -- anywhere anywhere reject-with icmp-host-prohibited
|
|
|
|
|
|
|
|
|
|
|
|
Chain OUTPUT (policy ACCEPT)
|
|
|
|
|
|
target prot opt source destination
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Chain f2b-NoAuthFailures (1 references)
|
|
|
|
|
|
target prot opt source destination
|
|
|
|
|
|
REJECT all -- 64.68.50.128 anywhere reject-with icmp-port-unreachable
|
|
|
|
|
|
REJECT all -- 104.194.26.205 anywhere reject-with icmp-port-unreachable
|
|
|
|
|
|
RETURN all -- anywhere anywhere
|
|
|
|
|
|
|
2015-12-09 20:52:18 +08:00
|
|
|
|
### 如何从 Fail2ban 中移除 IP ###
|
2015-12-04 15:55:19 +08:00
|
|
|
|
|
|
|
|
|
|
# iptables -D f2b-NoAuthFailures -s banned_ip -j REJECT
|
|
|
|
|
|
|
2015-12-09 20:52:18 +08:00
|
|
|
|
我希望这篇教程可以给你在 CentOS 6、CentOS 7、RHEL 6、RHEL 7 和 Oracle Linux 6/7 中移除被禁止的 ip 一些指导。
|
2015-12-04 15:55:19 +08:00
|
|
|
|
|
|
|
|
|
|
--------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
|
|
via: http://www.ehowstuff.com/how-to-remove-banned-ip-from-fail2ban-on-centos/
|
|
|
|
|
|
|
|
|
|
|
|
作者：[skytech][a]
|
2015-12-09 20:52:18 +08:00
|
|
|
|
译者：[geekpi](https://github.com/geekpi)
|
|
|
|
|
|
校对：[wxy](https://github.com/wxy)
|
2015-12-04 15:55:19 +08:00
|
|
|
|
|
|
|
|
|
|
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
|
|
|
|
|
|
|
|
|
|
|
|
[a]:http://www.ehowstuff.com/author/skytech/
|
|
|
|
|
|
[1]:http://www.fail2ban.org/wiki/index.php/Main_Page
|
